A conceptual study for control strategy of TCSC in inductive and capacitive region

Abstract

With recent development of power electronics devices and control engineering, FACT devices applicable to transmission network both for series compensation and shunt compensation are very useful from the point of view of their flexibility. To enhance power transfer capability, series compensation by using FACT device is so chosen that it is cheaper and less spacious than installing a new generating unit. In this paper, for series compensation, Thyristor Controlled Series Capacitor (TCSC) is chosen because of its flexible operation in inductive as well as capacitive region. Here the basic modelling and control strategy of TCSC is discussed. A very conceptual theoretical background for controlling overall reactance of the device and implementing using the software MATLAB is established.

Simulation and performance evaluation of TCSC for load voltage regulation

“…The main aim of using TCSC is to enhance the power flow, maintain good system stability in power system and can also be used to maintain the receiving end voltage. [3] World's first TCSC was installed in Kayenta substation between Glen Canyon and Shiprock, Arizona, USA in 1990's. This installation improved the power transfer capability from 300MW to 400MW [2] .…”